To add USSD code ( https://www.ussdcode.in/ ) in the phone number link, you can use the "*" symbol followed by the code.
For example, if the USSD code is "*123#", the link would be in the format "tel:*123#".
The final link would look like this: <a href="tel:*123#">*123#</a>.
Please note that USSD codes may not work on all mobile devices and it also depends on the carrier and network availability.
Also, it's important to test the USSD code before implementing it on your website.
To add USSD code ( https://www.ussdcode.in/ ) in the phone number link, you can use the "*" symbol followed by the code.
For example, if the USSD code is "*123#", the link would be in the format "tel:*123#".
The final link would look like this: <a href="tel:*123#">*123#</a>.
Please note that USSD codes may not work on all mobile devices and it also depends on the carrier and network availability.
Also, it's important to test the USSD code before implementing it on your website.